Home / 14,159.95-21,240.02-4,299.35

Finding the Fourth Proportional to 14,159.95, 21,240.02 and 4,299.35

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Solution

The fourth proportional to 14,159.95, 21,240.02 and 4,299.35 is: 6,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.95 : 21,240.02 = 4,299.35 : x
  2. Step 2: Convert to fraction form
    14,159.95/21,240.02 = 4,299.35/x
  3. Step 3: Cross multiply
    14,159.95x = 21,240.02 × 4,299.35
  4. Step 4: Simplify right side
    14,159.95x = 91,318,184.54
  5. Step 5: Solve for x
    x = 91,318,184.54/14,159.95
  6. Step 6: Final answer
    x = 6,449.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.